<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<style>
    @media only screen and (min-width: 48em) {
        body>#main404 {
            margin: 0 150px;
        }
    }
    @media only screen and (max-width: 48em) {
        body>#main404 {
            margin: 0 50px;
        }
    }
    body>#main404 h1 {
        padding-top: 1em;
    }
    body>#main404 pre {
        background-color: #f7f7f7;
        padding: 2em;
        overflow: auto;
    }
    body>#main404 code {
        font-family: Inconsolata, Consolas, Menlo, Monaco, "Andale Mono WT", "Andale Mono", "Lucida Console", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", Courier, monospace;
        font-size: inherit;
        line-height: 1.2em;
    }
    #chino {
        width: 100%;
        height: auto;
    }
    @media only screen and (max-width: 48em) {
        #chinoWrapper {
            max-width: 100%;
            height: 0;
            padding-bottom: 100%;
            overflow: hidden;
            border:grey 1px dashed;
        }
    }
    @media only screen and (min-width: 48em) {
        #chinoWrapper {
            position: fixed;
            z-index: 999;
            bottom: 0;
            right: 0;
            max-width: 300px;
            max-height: 80%;
        }
    }
</style>
</head>
<body>
<div id="main404">
    <h1>啊嘞？这个页面找不到了</h1>
    <br>
    <div id="chinoWrapper">
    <img id="chino" src="https://s1.ax1x.com/2020/07/11/UMHFde.png">
    </div>
    <pre data-lang="cpp" class="line-numbers language-cpp"><code class="language-cpp">#include&lt;iostream&gt;
int main() {
    std::cout &lt;&lt; 404 &lt;&lt; std::endl;
}</code></pre>
    <h3>发生了什么？</h3>
    <ul>
        <li>该页面可能尚未完成</li>
        <li>该页面可能已经删除</li>
        <li>可能输入了错误的链接</li>
    </ul>
    您可以尝试<a href="javascript:window.history.back();">回到上一页面</a>或者<a href="/">前往首页</a>。
</div>
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setTimeout(function() {document.querySelector('.utterances').remove();},100);
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</body>

</html>